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http://dx.doi.org/10.23087/jkicsp.2021.22.4.004

Development of Caravan Sway Reduction System using the Hitch Angle Control Algorithm  

Kim, Chang-Young (Department of Mechanical Engineering, Mokpo National University)
Yoo, Jung-Joo (Department of Mechanical Engineering, Mokpo National University)
Byun, Kyung-Seok (Department of Mechanical Engineering, Mokpo National University)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.22, no.4, 2021 , pp. 171-178 More about this Journal
Abstract
Caravans are easily affected by external physical factors and often cause dangerous situations for passengers. Therefore, in order to secure the stability of the passenger, there is a need to develop a sway reduction device capable of preventing the sway phenomenon in advance. This paper aims to minimize the hitch angle between the tow vehicle and the caravan. Specifically, the initial instability of the caravan is detected through an IMU sensor mounted on each of the tow vehicle and the caravan, and a control value is calculated to reduce errors from the Hitch angle and Hitch yaw rate using a PID controller. Different braking torques are generated, distributed, and controlled on the left and right brakes of the caravan according to the calculated control value. It could be verified through the driving experiment that the hitch angle was decreased compared to the case where the performance of the sway reduction device was not controlled, and the transverse stability improvement rate was improved by 94.49% compared to before control.
Keywords
Sway phenomenon; Hitch angle; Hitch yaw rate; Caravan; Proportional integral derivation control;
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